Hundreds attend memorial honouring Australian woman killed by USA police officer

Justine Damond of Sydney who was fatally shot by police in Minneapolis

Justine Damond of Sydney who was fatally shot by police in Minneapolis

Justine Damond's father, John Ruszczyk, choked back tears as he vowed to find justice for his 40-year-old daughter, whom he described as being "ripped from our arms".

Her fiance, Don Damond, said it "felt like a privilege to love Justine".

Justine's father John Ruszczyk receives condolences before the service.

He also said she was planning to get married next week.

He said, he had "immense gratitude for being the one she chose".

He read some of the uplifting messages she would free-write every morning and called her a "living example of self-mastery".

Ruszczyk said his daughter was killed by a bullet, that was sacked by an agent of the state, and he will continue to seek justice. Less than 30 minutes later, she was dead from a gunshot wound to the abdomen, having been shot by one of the two police officers who responded to the call.

Ruszczyk spoke at the memorial which took place at performance venue in Lake Harriet, southwest Minneapolis.

Instead Damond stood on a stage near Lake Harriet, his voice occasionally lost in the noise of aircraft overhead, and expressed to hundreds at the Lake Harriet Bandshell what he'd planned to say to his bride at their wedding.

Ms Damond had called 911 to report a woman being raped close to her apartment block shortly before she was shot and killed.

Police are investigating the shooting but the officer who fired will not talk to them, and the ABC understands even after a month, no significant police findings about what happened have been passed on.

A man at the back of the crowd held a sign that read, "NOOR RESIGN NOW".

The search warrant application was filed Thursday.

The memorial will show the video of Justine helping ducklings stuck in a drain near her house in Minneapolis - retrieving them barefoot.

The search warrant shows that an agent with the Minnesota Bureau of Criminal Apprehension requested permission to download data from the iPhones issued by the Minneapolis Police Department.

Ms Damond's memorial service began with a Buddhist prayer and feature speeches from two of the most important people in her life, her father John and fiance Don.

The application says the information "may more clearly define" the officers' actions before and after Damond was killed.

The service ended with a maypole dance, didgeridoo music from Australia, and a silent walk around Lake Harriet. Immediately afterward, Ruszczyk approached the driver's side window, and Harrity's partner, Mohamed Noor, shot Ruszczyk through the window, Harrity said.

Noor declined to be interviewed by investigators, and his attorney did not clarify when if ever he would give an interview.